The Bitcoin Killer-App Competition, have you heard of it?

[groll]

https://news.bitcoin.com/ideapod-contest-blockchain-change/

If you read this link then you will understand what I mean. But anyway if you can answer their question you will be given a btc silver ring worth of $500 USD. That is a great offer isnt it. I havent tried the contest thats why I posted this to give some information to you guys and also to ask question if it is still open or already closed. Just open the link ad you will have a clue pertaining to the question. Goodluck answering.